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MARSH & MCLENNAN COS INC
$MRSHLast close: $170.10(2026-04-24)BRK current position: 404,911 shares ($0.07B as of 2023-03-31)Quarters with activity: 6CUSIP: 571748102
Price history with Berkshire transactions
InitiatedAddedTrimmedExited
MRSH (indexed, 1× = first visible date)S&P 500 (indexed)Shares held (right axis)
Hover for daily price. Triangle markers show quarter-end Berkshire buy (▲ green) / sell (▼ orange/red) events from 13F-HR filings. Quarter-level granularity only — actual trade dates are not disclosed.
Berkshire's quarterly position history
| Quarter | Shares | Δ Shares | Action | Value (USD) | 13F |
|---|---|---|---|---|---|
| 2023-03-31 | 404,911 | — | held | $67.4M | View |
| 2022-12-31 | 404,911 | — | held | $67M | View |
| 2022-09-30 | 404,911 | — | held | $60.4M | View |
| 2022-06-30 | 404,911 | — | held | $62.9M | View |
| 2022-03-31 | 404,911 | — | held | $69M | View |
| 2021-12-31 | 404,911 | -2,336,844 | trimmed | $70.4M | View |
| 2021-09-30 | 2,741,755 | -1,454,937 | trimmed | $415.2M | View |
| 2021-06-30 | 4,196,692 | -1,090,834 | trimmed | $590.4M | View |
| 2021-03-31 | 5,287,526 | +1,019,701 | added | $644M | View |
| 2020-12-31 | 4,267,825 | +901,318 | added | $499.3M | View |
| 2020-09-30 | 3,366,507 | +3,366,507 | initiated | $386.1M | View |
Prices via Yahoo Finance. Berkshire position data from quarterly 13F-HR filings. 13F has a ~45-day filing lag and only covers long US-listed equity positions. Cost basis below is approximated from the quarter-end value at which shares were added (FIFO).